Le zizi is a childish French slang term, and clips built around the word circulate mainly for the pronunciation rather than any longer scene. The Marseille tag points to the southern accent that gives this short recording its comic character online. Short voice drops like this travel through soundboards, group chats and short video edits because they are easy to recognise and reuse out of context. It stays popular as a low effort prank sound, especially among French speaking users who understand the slang and the regional joke instantly.